Chemistry, 21.08.2019 15:30 andrewbao999
According to early chemists, which substances were classified as elements? a. those that could not be broken down further by physical means b. those that could not be broken down further by chemical means c. those that had higher numbers of protons in their atoms d. those that had an atomic mass that could be measured
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According to early chemists, which substances were classified as elements? a. those that could not...
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